General Electronic Devices

Frequency Translators

Clock Oscilators, PLL Synthesizers, Crystals, VCO, DRO, VTO, CRO OCXO, TCXO

LMFX-Dxxx Series

New Portable Signal Generator

GED completed development of a portable RF Signal Generator Ranging from 1 to 2 GHz with 100kHz Resolution. The generator is fully PC-programmable and features programmable pre-set frequencies, amplitude control, disable outputs, automatic reference detect and many other features making it extremely versatile. This is the newest member of our diverse family of frequency sythesizers.

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Description

LMFX_DXXX is a series of frequency translators, using PLL technique to translate one of two different input frequencies from 1MHz and up, to one of two output frequencies from 77.76MHz to 777.6MHz.

The LMFX_DXXX unit supports all FEC rates and it also supports switching from OC-n to 10GigE and 10G to 10.3125G.

Up to 4 different input frequencies could be locked to a high quality SAW or Crystal voltage controlled oscillators.

Feature

  • Single 5V or 3.3V power supply
  • Comp. PECL input signal
  • Comp. PECL output
  • Low output jitter
  • Lock signal alarm
  • Control voltage monitor output
  • 1.2" x 1.0" x 0.25" Surface Mount Package.

Application

SONET/SDH, DWDM, FDM, ATM

General Specifications

Parameter Symbol Min. Typ. Max. Unit
Output Frequency   77.76   777.6 MHz
Supply Voltage5 (5.0V)
3 (3.3V)
Vcc 4.75
3.15
5.00
3.30
5.25
3.45
VDC
VDC
Input Signal     Comp. PECL    
Output Signal     Comp. PECL    
Rise/Fall Time tR/tF   250 400 ps
Duty Cycle 45 49/51 55 %
Jitter Generation,
rms (12KHz to 20MHz)
    0.2 1 ps
Input Tracking Capability APR ±40     ppm
Operating TemperatureN
E
  0
-40
  +70
+85
°C
°C

Ordering Information

LMFX_D -  5 P K -  J5 L2 M1 M6
Supply Voltage Output Frequency
5 = 5.0VDC
3 = 3.0VDC
M6 = 666.5312MHz
See standard output table
Enter WW for nonstandard freq.
Output Logic Output Frequency
P = Comp.PECL M1 = 622.08MHz
See standard output table
Enter WW for nonstandard freq.
Operating Temperature Input Frequency 2
N = 0 to +70°C
E = -40 to +85°C
M1 = 622.08MHz
See standard output table
Enter WW for nonstandard freq.
Input Frequency 1
J2 = 155.52MHz
See standard output table
Enter WW for nonstandard freq.

Standard Input Frequency

Code Frequency Code Frequency Code Frequency
A1 1.024MHz D2 37.0560MHz L1 161.1328MHz
A2 1.544MHz D3 38.8800MHz L2 166.6286MHz
A3 2.048MHz E1 44.4343MHz L3 167.3316MHz
A4 4.096MHz E2 44.7360MHz L4 168.0407MHz
A5 6.480MHz F1 51.8400MHz M1 622.0800MHz
A6 8.192MHz G1 61.4400MHz M2 624.7048MHz
B1 10.000MHz G2 65.5360MHz M3 625.0000MHz
B2 12.800MHz H1 77.7600MHz M4 627.3296MHz
B3 15.000MHz H2 78.1250MHz M5 644.5312MHz
B4 16.384MHz H3 78.6432MHz M6 666.5143MHz
B5 19.44MHz H4 82.9440MHz M7 669.1281MHz
C1 20.0000MHz J1 112.000MHz M8 669.3266MHz
C2 22.2171MHz J2 114.000MHz M9 690.5692MHz
C3 26.0000MHz J3 125.000MHz    
C4 27.0000MHz J4 139.264MHz XX No Input
C5 29.4912MHz J5 155.520MHz    
D1 32.7680MHz J6 156.250MHz WW OTHER

Standard Output Frequency

Code Frequency Code Frequency Code Frequency
A1 1.024MHz D2 37.0560MHz L1 161.1328MHz
A2 1.544MHz D3 38.8800MHz L2 166.6286MHz
A3 2.048MHz E1 44.4343MHz L3 167.3316MHz
A4 4.096MHz E2 44.7360MHz L4 168.0407MHz
A5 6.480MHz F1 51.8400MHz M1 622.0800MHz
A6 8.192MHz G1 61.4400MHz M2 624.7048MHz
B1 10.000MHz G2 65.5360MHz M3 625.0000MHz
B2 12.800MHz H1 77.7600MHz M4 627.3296MHz
B3 15.000MHz H2 78.1250MHz M5 644.5312MHz
B4 16.384MHz H3 78.6432MHz M6 666.5143MHz
B5 19.44MHz H4 82.9440MHz M7 669.1281MHz
C1 20.0000MHz J1 112.000MHz M8 669.3266MHz
C2 22.2171MHz J2 114.000MHz M9 690.5692MHz
C3 26.0000MHz J3 125.000MHz N1 710.9486MHz
C4 27.0000MHz J4 139.264MHz N2 719.7344MHz
C5 29.4912MHz J5 155.520MHz N3 777.6000MHz
D1 32.7680MHz J6 156.250MHz WW OTHER

LMFX_D Outline Drawing and Pin Out

LMFX_D Outline Drawing and Pin Out
Contact Information
320 South Pacific St.
San Marcos, CA 92078
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Phone:(760) 591-4170
(760) 591-4095
Fax:(760) 591-4164
Email:info@gedlm.com
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